. At present, that author ____________ a historical novel. A. is writing B. write C. are writing D. writes 12. They ____________to Ha Long for their last summer vacation. A. go B. are going C. was going D. went 13. Ba ____________his room yesterday afternoon. A. tidied B. were tidying C. will tidy D. tidies 14. What ____________ yesterday at 10.20 pm? A. are you doing B. was you doing C. were you doing D. did you do 15. When I ____________you last night, what you ____________? A. see/ did you do B. saw/ are you doing C. saw/ were you doing D. was seeing/ did you do 16. My father ____________us to go out in the boat before he came home yesterday. A. didn’t allow B. hadn’t allowed C. doesn’t allow D. hasn’t allowed 17. Since the boys broke a window, they____________ very nervous. A. are feeling B. have felt C. had felt D. felt 18. Mr. John____________ to Los Angeles in 1992. A. had gone B. has gone C. went D. was going 19. While I was going to school yesterday, I____________ him. A. am meeting B. met C. will meet D. meet 20. I ____________ about him when suddenly he came in the room. A. talk B. talked C. am talking D. was talking 21. It began to rain when they ________________basket ball. A. play B. are playing C. were playing D. is playing 22. He ______ email before, so I ______ him how to use it. A. did not use / had shown B. had not used / showed B. has not used / showed D. was not using / will show 23. As soon as you __________ your homework, you will be allowed to go out. A. are doing B. had done C. have done D. did 24. Don’t come ____________ I have finished lunch. A. after B. as soon as C. since D. until 25. By the time I ________ the party last night, David _________. A. arrived/ had left B. arrive/ will have left C. had arrived/ had left D. arrived / left